package class01;

import java.util.Arrays;
import java.util.concurrent.TransferQueue;

/**
 * @author zhangchaoliang
 * create 2022
 */
public class b1 {
    public static void bubbleSort(int[] arr) {
        if (arr == null || arr.length < 2)
            return;

        for (int i = arr.length - 1; i > 0; i--) {
            for (int j = 0; j < i; j++) {
                if (arr[j] > arr[j + 1])
                    swap(arr, j, j + 1);
            }
        }
    }

    public static void swap(int[] arr, int i, int j) {
        arr[i] = arr[i] ^ arr[j];
        arr[j] = arr[i] ^ arr[j];
        arr[i] = arr[i] ^ arr[j];
    }

    public static void comparation(int[] arr){
        Arrays.sort(arr);
    }

    public static int[] RandomArrays(int maxSize,int maxValue){
        int[] arr = new int[(int)((maxSize+1)*Math.random())];
        for (int i=0;i<arr.length;i++){
            arr[i] = (int)((maxValue+1)*Math.random()) -(int)((maxValue+1)*Math.random());
        }
        return arr;
    }

    public static int[] copyArrays(int[] arr){
        if(arr==null)
            return null;
        int[] arr1 = new int[arr.length];
        for (int i=0;i<arr.length;i++){
            arr1[i] = arr[i];
        }
        return arr1;
    }

    public static boolean isEqual(int[] arr1,int[] arr2){
        if (arr1==null &&arr2==null)
            return true;
        if ((arr1!=null&&arr2==null) || (arr1==null&&arr2!=null))
            return false;
        if (arr1.length!=arr2.length)
            return false;
        for (int i=0;i<arr1.length;i++){
            if (arr1[i]!=arr2[i])
                return false;
        }
        return true;
    }

    public static void printArrays(int[] arr){
        if (arr==null)
            return;
        for (int i=0;i<arr.length;i++){
            System.out.print(arr[i] + " ");
        }
        System.out.println();
    }

    public static void main(String[] args) {
        int testTime = 500000;
        int maxSize=100;
        int maxValue=100;
        boolean successed = true;

        for (int i =0;i<testTime;i++){
            int[] arr1 = RandomArrays(maxSize,maxValue);
            int[] arr2 = copyArrays(arr1);
            bubbleSort(arr1);
            comparation(arr2);

            if(!isEqual(arr1,arr2)){
                successed=false;
                printArrays(arr1);
                printArrays(arr2);
                break;
            }
        }
        System.out.println(successed?"成功！":"失败！");
    }

}
